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Part ID: S240893
Part ID: S240893-ST
Part Type: (R) = Authentic reproduction of the original GM product
Sold As: EACH
2018 Riviera Catalog Page: 103
Molded rubber grommets are a must-have for mounting the valve covers on your Nailhead engine. Grommets fit between the head and the valve cover to reduce vibration and prevent oil leaking through the bolt holes. Sold individually or in a complete four piece set for one engine.